Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Event\RequestEvent" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-http\Event\LazyResponseEvent.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-http\Event\LazyResponseEvent.php on line 25